Cooler



FIG. 1 is a front view of our new design in a first configuration;

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a perspective view of a first side of our new design in a second configuration; and,

FIG. 7 is a perspective view of a second side of our new design in the second configuration.

The broken lines showing the handle are for illustrative purposes only and form no part of the claimed design. The remaining broken lines represent stitching. 

The ornamental design for a cooler, as shown and described. 